Sentences with phrase «subduction zone earthquakes»

Download Cascadia Deep Earthquakes Cascadia Subduction Zone Earthquakes: A magnitude 9.0 earthquake scenario Read our new publication about the effects of a major subduction earthquake on communities along the Cascadia Subduction Zone, stretching from the Brooks Peninsula on Vancouver Island to Cape Mendocino in northern California.

Location map of Sumatra, Indonesia, depicting rupture areas for the AD 2004 and 2005 subduction zone earthquakes.

«Understanding subduction zone earthquakes: The 2004 Sumatra earthquake.»

Thus, detecting subduction zone earthquakes required a different approach.

It used measurements from 195 core samples containing submarine landslide deposits caused by subduction zone earthquakes, instead of only about a dozen such samples in past research.

«Subduction zone earthquakes off Oregon, Washington more frequent than previous estimates.»

These initial results provide fundamental insights into the behavior of rare, very large earthquakes that may aid in preparation and early warning efforts for future tsunamis following subduction zone earthquakes.

The strain that is released in a subduction zone earthquake is thought to build up in the deep portion of the fault where the two plates are «locked.»

Research teams have evaluated the major 7.8 magnitude subduction zone earthquake in Gorkha, Nepal, in April 2015, and identified characteristics that may be of special relevance to the future of the Pacific Northwest.

Scientists have discovered that the last subduction zone earthquake to hit the Pacific Northwest was in January 1700, when — like now — soils probably would have been soggy from winter rains and most vulnerable to landslides.

The subduction zone earthquake expected in the future of the Pacific Northwest is expected to be larger than the event in Nepal.

Based in part on the growing certainty about these issues, OSU has developed the Cascadia Lifelines Program, an initiative working with Pacific Northwest business and industry to help prepare for the upcoming subduction zone earthquake, mitigate damage and save lives.

The new measurements in this research were made with cores that showed the results of massive amounts of sediments released by subsea landslides during a subduction zone earthquake — a catastrophic event beneath the sea as well as on land.

However, an offshore subduction zone earthquake or an earthquake generated somewhere else around the Pacific Ocean will generate a tsunami, which is actually a series of waves.

Tells the story of Cascadia High School student, Angie as she must go rescue her little sister after a Cascadia Subduction Zone earthquake.

More information: CREW has produced a 24 - page report that presents what may occur if a M9 subduction zone earthquake strikes Cascadia.

CREW has published a Cascadia subduction zone earthquake and tsunami scenario for emergency - planning purposes.

When experts talk about the potential «Big One,» they mean a Cascadia subduction zone earthquake.

Scientists believe the most recent subduction zone earthquake, a M9 event, occurred in January 1700.

State geologists analyze projected impacts of Cascadia Subduction Zone earthquake, magnitude 9.0, and expect tens of thousands of casualties in the...

Not exact matches

An apocalyptically - worded story in the latest issue of the New Yorker detailed the devastation that might result from a high - magnitude earthquake along the Cascadia subduction zone, a fault line that runs from Cape Mendocino, Calif., to Vancouver Island, Canada.

SASMEX's main focus is on earthquakes originating in the subduction zone off the southern coast of Mexico, where the Cocos tectonic plate subducts below the North American Plate.

The Tehuantepec earthquake originated offshore in the subduction zone, while the Morelos earthquake was an example of in - slab seismicity.

They simulated earthquakes with magnitudes between 9.0 and 9.6 originating at different locations along the Aleutian - Alaska subduction zone, a 3,400 - kilometer (2,113 - mile) long ocean trench stretching along the southern coast of Alaska and the Aleutian Islands where the Pacific tectonic plate is slipping under the North American plate.

Combining the 19th - century records of such effects with modern earthquake models helped Beauducel and Feuillet pin down both the quake's magnitude and the location of the fault rupture, the spot where the subduction zone tore apart.

A magnitude - 9.0 earthquake would likely give way along the whole north - south extent of the subduction zone, but it's not well known how far east the shake - producing area would extend, approaching the area beneath major cities such as Seattle and Portland.

Therefore developing a better understanding of earthquake and tsunami behavior and potential is a priority for local communities, for the wider Indian Ocean, and for related subduction zones.»

«This ocean drilling expedition will for the first time drill scientific boreholes within the sediments entering this subduction zone, including the layer of sediment that eventually develops into the earthquake - generating fault,» Professor Henstock explained.

Scientists have long wondered what accounts for that precipitous dive, and why the massive earthquakes that generate long - ranging tsunamis at other subduction zones have not been recorded in the trench.

In 1964 a region of this same tectonic clash, called the Alaska — Aleutian Subduction Zone, produced the magnitude 9.2 «Good Friday» earthquake, the second - strongest quake ever recorded.

Most earthquakes are said to occur at subduction zones or along faults in tectonic plates.

The Cascadia subduction zone (CSZ) has captured major attention from paleoseismologists due to evidence from several large (magnitude 8 - 9) earthquakes preserved in coastal salt marshes.

The Tohoku - Oki earthquake occurred in a «subduction zone,» a boundary between two tectonic plates where one plate is diving beneath another — in this case, the Pacific plate dives beneath the Eurasian plate just east of Japan.

This subduction has created a collision zone with the potential to generate huge earthquakes and accompanying tsunamis, which happen when faulted rock abruptly shoves the ocean out of its way.

Since 1900, numerous magnitude 8 or larger earthquakes have occurred on this subduction zone interface that were followed by devastating tsunamis, including the 1960 M9.5 earthquake in southern Chile, the largest instrumentally recorded earthquake in the world.

«The implication of a confirmed subduction zone is that in addition to the Queen Charlotte Fault, we now have another source which can produce devastating megathrust earthquakes in the area,» said Kao.

Although the rate of subduction varies little along the entire arc, there are complex changes in the geologic processes along the subduction zone that dramatically influence volcanic activity, crustal deformation, earthquake generation and occurrence all along the western edge of South America.

Hawai'i is especially vulnerable to a tsunami created by an earthquake in the subduction zone of the Aleutian Islands.

The Sea of Okhotsk earthquake may have involved re-rupture of a fault in the plate produced when the oceanic plate bent down into the Kuril - Kamchatka subduction zone as it began to sink.

For example, the Caribbean coast of northern Colombia resembles a classic subduction zone with the potential for tsunamigenic M > 8 earthquakes at millennial time scales, but the absence of a large earthquake since 1492 is cause for complacency among local populations.

Plans to build the nation's first tsunami - resistant building are unfolding in Cannon Beach, Ore., in a region that is almost identical, seismically, to the subduction zone that triggered the earthquake and tsunami in Japan last week.

Ward modeled the effects of a magnitude 9.2 earthquake in the Cascadia subduction zone — a 58,000 - square - mile region in the Pacific from British Columbia to Northern California where the Juan de Fuca plate sinks beneath the North American plate.

The broader region is vulnerable to earthquakes from multiple sources, including deep earthquakes within the subducted Juan de Fuca plate, offshore megathrust earthquakes on Cascadia subduction zone and the shallow crustal earthquakes within the North American Plate.

The Cascadia subduction zone is not the only source of West Coast earthquake tsunamis.

One of the primary questions they hope to answer is whether the pressures and temperatures experienced at depth here lead to the unusual properties of this subduction zone fault, and if that in turn leads to larger and more powerful earthquakes.

Many people understand the damage that can be caused to structures, roads, bridges and utilities by ground shaking in these long - lasting types of earthquakes, such as the one that's anticipated on the Cascadia Subduction Zone between northern California and British Columbia.

The Cascadia Subduction Zone off the coast of the Pacific Northwest has all the ingredients for making powerful earthquakes — and according to the geological record, the region is due for its next «big one.»

Subduction zone megathrust faults produce most of the world's largest earthquakes.

The findings, published in Nature Geoscience on Nov. 20, are important for understanding factors that influence earthquake and tsunami generation in Cascadia and at other subduction zones around the world.

The preliminary results from the Cascadia Initiative include a report of previously undetected, small earthquakes offshore, and seismic imaging that reveals new offshore structures at the subduction zone.